Home / 1,395,079.04-1,925,272.32-822,143.36

Finding the Fourth Proportional to 1,395,079.04, 1,925,272.32 and 822,143.36

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Solution

The fourth proportional to 1,395,079.04, 1,925,272.32 and 822,143.36 is: 1,134,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,079.04 : 1,925,272.32 = 822,143.36 : x
  2. Step 2: Convert to fraction form
    1,395,079.04/1,925,272.32 = 822,143.36/x
  3. Step 3: Cross multiply
    1,395,079.04x = 1,925,272.32 × 822,143.36
  4. Step 4: Simplify right side
    1,395,079.04x = 1,582,849,854,079.80
  5. Step 5: Solve for x
    x = 1,582,849,854,079.80/1,395,079.04
  6. Step 6: Final answer
    x = 1,134,595.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.